Problem Display
PID: 208941 (8/5N1p/7P/2pk3B/8/P7/3p3Q/3K4 w - - 0 1)

Petrasinovic, Petrasin

Sachova skladba, 2015

8/5N1p/7P/2pk3B/8/P7/3p3Q/3K4

#4

6 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Qb8!
      • 1...Kc4
        • 2.Kxd2
          • threat
            • 3.Bf3
              • 3...Kd4
                • 4.Qf4#
          • 2...Kd4
            • 3.Qd6+
              • 3...Kc4
                • 4.Qd3#
              • 3...Ke4
                • 4.Qe5#
          • 2...Kd5
            • 3.Qd6+
              • 3...Kc4
                • 4.Qd3#
              • 3...Ke4
                • 4.Qe5#
      • 1...Kd4
        • 2.Kxd2
          • threat
            • 3.Qd6+
              • 3...Kc4
                • 4.Qd3#
              • 3...Ke4
                • 4.Qe5#
          • 2...Kc4
            • 3.Bf3
              • 3...Kd4
                • 4.Qf4#
          • 2...Kd5
            • 3.Qd6+
              • 3...Kc4
                • 4.Qd3#
              • 3...Ke4
                • 4.Qe5#
      • 1...Kc6
        • 2.Bf3+
          • 2...Kd7
            • 3.Bd5
              • threat
                • 4.Qd8#
              • 3...Ke7
                • 4.Qd8#
      • 1...c4
        • 2.Qd6+
          • 2...Ke4
            • 3.Qe5+
              • 3...Kd3
                • 4.Be2#

FEATURES


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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).